[TR] TR3 Tick Tick Tick

[Ed Oot]

Karl

Thanks for the response. The tick is there in every gear when under load. If 
just maintaining speed then is not (or is barely) noticeable.


----- Original Message ----- 
From: "Karl Vacek" <kvacek at ameritech.net>
To: <triumphs at autox.team.net>
Sent: Tuesday, October 14, 2008 11:02 AM
Subject: Re: [TR] TR3 Tick Tick Tick


> This IS in top gear, right ?  If it only happens in one gear, OTHER THAN 
> 4th, it might be the transmission.  A missing tooth in a gear will cause a 
> tick-tick-tick sound, but only when that gear is driving.
>
> As long as your ticking is in 4th gear, it's not a gear in the 
> transmission making the noise, but it could still be a main transmission 
> bearing (though that would be unlikely to just cause a tick-tick-tick). 
> In top gear the gears in the transmission are just idling - the mainshaft 
> is locked and the transmission is driving directly from input shaft to 
> mainshaft.
>
> Karl
>
>
>>> If an exhaust manifold leak were the problem would this only
>>> be noticeable under load?
>>
>> Not always, but they do show up that way sometimes.  A bit of load makes 
>> the
>> exhaust pulses much stronger, and so more likely to be noticed over other
>> noises.
>>
>> I've also heard a loose spark plug described as "ticking under load" for 
>> the
>> same reason.
>>
>> Randall
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